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* clean only the keys generated by the current server #11

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* clean only the keys generated by the current server #11

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c8b6418
* clean only the keys generated by the current server
dubanflorin May 11, 2017
80744cc
* remove keys for offline servers
dubanflorin Nov 10, 2017
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58 changes: 43 additions & 15 deletions lib/manager/statusManager.js
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Original file line number Diff line number Diff line change
Expand Up @@ -36,40 +36,64 @@ StatusManager.prototype.stop = function(force, cb) {
StatusManager.prototype.clean = function(cb) {
var cmds = [];
var self = this;
this.redis.keys(genCleanKey(this), function(err, list) {
this.redis.smembers(genSidKey(this), function(err, list) {
if(!!err) {
utils.invokeCallback(cb, err);
return;
}
for(var i=0; i<list.length; i++) {
cmds.push(['del', list[i]]);
cmds.push(['srem', genUidKey(self, list[i]), self.app.serverId]);
}
cmds.push(['del', genSidKey(self)]);
execMultiCommands(self.redis, cmds, cb);
});
};

StatusManager.prototype.add = function(uid, sid ,cb) {
this.redis.sadd(genKey(this, uid), sid, function(err) {
utils.invokeCallback(cb, err);
});
var cmds = [];
cmds.push(['sadd', genSidKey(this), uid]);
cmds.push(['sadd', genUidKey(this, uid), sid]);
execMultiCommands(this.redis, cmds, cb);
};

StatusManager.prototype.leave = function(uid, sid, cb) {
this.redis.srem(genKey(this, uid), sid, function(err) {
utils.invokeCallback(cb, err);
});
var cmds = [];
cmds.push(['srem', genSidKey(this), uid]);
cmds.push(['srem', genUidKey(this, uid), sid]);
execMultiCommands(this.redis, cmds, cb);
};

StatusManager.prototype.getSidsByUid = function(uid, cb) {
this.redis.smembers(genKey(this, uid), function(err, list) {
utils.invokeCallback(cb, err, list);
var self = this;

this.redis.smembers(genUidKey(this, uid), function(err, list) {
if(!!err) {
utils.invokeCallback(cb, err);
return;
}
var commands = [];
var sids = [];
for(var i=0; i<list.length; i++) {
var sid = list[i];
var server = self.app.getServerById(sid);
if (!server) {
commands.push(['srem', genOtherSidKey(self, sid), uid]);
commands.push(['srem', genUidKey(self, uid), sid]);
} else {
sids.push(sid);
}
}

execMultiCommands(self.redis, commands, function (err) {
utils.invokeCallback(cb, err, sids);
});
});
};

StatusManager.prototype.getSidsByUids = function(uids, cb) {
var cmds = [];
for (var i=0; i<uids.length; i++) {
cmds.push(['exists', genKey(this, uids[i])]);
cmds.push(['exists', genUidKey(this, uids[i])]);
}
execMultiCommands(this.redis, cmds, function(err, list) {
utils.invokeCallback(cb, err, list);
Expand All @@ -86,10 +110,14 @@ var execMultiCommands = function(redis, cmds, cb) {
});
};

var genKey = function(self, uid) {
return self.prefix + ':' + uid;
var genUidKey = function(self, uid) {
return self.prefix + ':UID:' + uid;
};

var genCleanKey = function(self) {
return self.prefix + '*';
var genSidKey = function(self) {
return self.prefix + ':SID:' + self.app.serverId;
};

var genOtherSidKey = function(self, sid) {
return self.prefix + ':SID:' + sid;
};
2 changes: 1 addition & 1 deletion package.json
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
{
"name": "pomelo-status-plugin",
"version": "0.0.6",
"version": "0.0.7",
"private": false,
"author": "py8765 pengyang633@126.com/@py8765",
"contributors":[
Expand Down